All primes except 2 are odd primes.
Ironically, the unique even prime 2 is therefore also the "oddest" prime.
Oddest Prime
See also
Even Prime, Odd Prime, Prime NumberExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Oddest Prime." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/OddestPrime.html